System.out.println("Testing CosineSimilarity:");
int[] tf1 = {1,4};
//int[] tf2 = {1,0,3,0};
SimilarityMeasures similar = new SimilarityMeasures();
double[] result = similar.logrithmicTermFrequency(tf1);
for (int i=0; i<result.length;i++) {
System.out.print(result[i] + " ");
}
}